/* * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)unistd.h 8.2 (Berkeley) 1/7/94 * $FreeBSD: src/sys/sys/unistd.h,v 1.19.2.1 1999/08/29 16:32:55 peter Exp $ */ #ifndef _SYS_UNISTD_H_ #define _SYS_UNISTD_H_ #include /* compile-time symbolic constants */ #define _POSIX_JOB_CONTROL /* implementation supports job control */ /* * Although we have saved user/group IDs, we do not use them in setuid * as described in POSIX 1003.1, because the feature does not work for * root. We use the saved IDs in seteuid/setegid, which are not currently * part of the POSIX 1003.1 specification. */ #ifdef _NOT_AVAILABLE #define _POSIX_SAVED_IDS /* saved set-user-ID and set-group-ID */ #endif #define _POSIX2_VERSION 199212L /* execution-time symbolic constants */ /* chown requires appropriate privileges */ #define _POSIX_CHOWN_RESTRICTED 1 /* too-long path components generate errors */ #define _POSIX_NO_TRUNC 1 /* may disable terminal special characters */ #define _POSIX_VDISABLE 0xff /* access function */ #define F_OK 0 /* test for existence of file */ #define X_OK 0x01 /* test for execute or search permission */ #define W_OK 0x02 /* test for write permission */ #define R_OK 0x04 /* test for read permission */ /* whence values for lseek(2) */ #define SEEK_SET 0 /* set file offset to offset */ #define SEEK_CUR 1 /* set file offset to current plus offset */ #define SEEK_END 2 /* set file offset to EOF plus offset */ #ifndef _POSIX_SOURCE /* whence values for lseek(2); renamed by POSIX 1003.1 */ #define L_SET SEEK_SET #define L_INCR SEEK_CUR #define L_XTND SEEK_END #endif /* configurable pathname variables */ #define _PC_LINK_MAX 1 #define _PC_MAX_CANON 2 #define _PC_MAX_INPUT 3 #define _PC_NAME_MAX 4 #define _PC_PATH_MAX 5 #define _PC_PIPE_BUF 6 #define _PC_CHOWN_RESTRICTED 7 #define _PC_NO_TRUNC 8 #define _PC_VDISABLE 9 /* configurable system variables */ #define _SC_ARG_MAX 1 #define _SC_CHILD_MAX 2 #define _SC_CLK_TCK 3 #define _SC_NGROUPS_MAX 4 #define _SC_OPEN_MAX 5 #define _SC_JOB_CONTROL 6 #define _SC_SAVED_IDS 7 #define _SC_VERSION 8 #define _SC_BC_BASE_MAX 9 #define _SC_BC_DIM_MAX 10 #define _SC_BC_SCALE_MAX 11 #define _SC_BC_STRING_MAX 12 #define _SC_COLL_WEIGHTS_MAX 13 #define _SC_EXPR_NEST_MAX 14 #define _SC_LINE_MAX 15 #define _SC_RE_DUP_MAX 16 #define _SC_2_VERSION 17 #define _SC_2_C_BIND 18 #define _SC_2_C_DEV 19 #define _SC_2_CHAR_TERM 20 #define _SC_2_FORT_DEV 21 #define _SC_2_FORT_RUN 22 #define _SC_2_LOCALEDEF 23 #define _SC_2_SW_DEV 24 #define _SC_2_UPE 25 #define _SC_STREAM_MAX 26 #define _SC_TZNAME_MAX 27 /* configurable system strings */ #define _CS_PATH 1 #ifdef _P1003_1B_VISIBLE #define _POSIX_PRIORITY_SCHEDULING #if 0 /* Not until the dust settles after the header commit */ #define _POSIX_ASYNCHRONOUS_IO #define _POSIX_MEMLOCK #define _POSIX_MEMLOCK_RANGE #endif /* POSIX.1B sysconf options */ #define _SC_ASYNCHRONOUS_IO 28 #define _SC_MAPPED_FILES 29 #define _SC_MEMLOCK 30 #define _SC_MEMLOCK_RANGE 31 #define _SC_MEMORY_PROTECTION 32 #define _SC_MESSAGE_PASSING 33 #define _SC_PRIORITIZED_IO 34 #define _SC_PRIORITY_SCHEDULING 35 #define _SC_REALTIME_SIGNALS 36 #define _SC_SEMAPHORES 37 #define _SC_FSYNC 38 #define _SC_SHARED_MEMORY_OBJECTS 39 #define _SC_SYNCHRONIZED_IO 40 #define _SC_TIMERS 41 #define _SC_AIO_LISTIO_MAX 42 #define _SC_AIO_MAX 43 #define _SC_AIO_PRIO_DELTA_MAX 44 #define _SC_DELAYTIMER_MAX 45 #define _SC_MQ_OPEN_MAX 46 #define _SC_PAGESIZE 47 #define _SC_RTSIG_MAX 48 #define _SC_SEM_NSEMS_MAX 49 #define _SC_SEM_VALUE_MAX 50 #define _SC_SIGQUEUE_MAX 51 #define _SC_TIMER_MAX 52 /* POSIX.1B pathconf and fpathconf options */ #define _PC_ASYNC_IO 53 #define _PC_PRIO_IO 54 #define _PC_SYNC_IO 55 #endif /* _P1003_1B_VISIBLE */ #ifndef _POSIX_SOURCE /* * rfork() options. * * XXX currently, operations without RFPROC set are not supported. */ #define RFNAMEG (1<<0) /* UNIMPL new plan9 `name space' */ #define RFENVG (1<<1) /* UNIMPL copy plan9 `env space' */ #define RFFDG (1<<2) /* copy fd table */ #define RFNOTEG (1<<3) /* UNIMPL create new plan9 `note group' */ #define RFPROC (1<<4) /* change child (else changes curproc) */ #define RFMEM (1<<5) /* share `address space' */ #define RFNOWAIT (1<<6) /* parent need not wait() on child */ #define RFCNAMEG (1<<10) /* UNIMPL zero plan9 `name space' */ #define RFCENVG (1<<11) /* UNIMPL zero plan9 `env space' */ #define RFCFDG (1<<12) /* zero fd table */ #define RFTHREAD (1<<13) /* enable kernel thread support */ #define RFSIGSHARE (1<<14) /* share signal handlers */ #define RFLINUXTHPN (1<<16) /* do linux clone exit parent notification */ #define RFPPWAIT (1<<31) /* parent sleeps until child exits (vfork) */ #endif /* !_POSIX_SOURCE */ #endif /* !_SYS_UNISTD_H_ */